The 10 celebrities were split into teams headed by Spandau Ballet's Tony Hadley, the bookies' current favourite to win, and fashion expert Susannah Constantine.

Tony Hadley and Susannah Constantine were appointed team leaders

They then stood before an old tree trunk which contained five hollows. Inside the trunk was a key on a wire.

Each contestant had to put their hand in a hole to pass the key along the wire to the next participant. But the key was closely guarded by jungle critters including scorpions, rats, baby crocodiles and snakes.